diff --git a/kmk/extensions/led.py b/kmk/extensions/led.py
index 6bf52bb..376419c 100644
--- a/kmk/extensions/led.py
+++ b/kmk/extensions/led.py
@@ -24,6 +24,7 @@ class LED(Extension):
     def __init__(
         self,
         led_pin,
+        brightnesss=100,
         brightness_step=5,
         brightness_limit=100,
         breathe_center=1.5,